Year | Value | 2022 | 129.61033699397 | 2021 | 120.04561430151 | 2020 | 115.22216660461 | 2019 | 113.29692929544 | 2018 | 112.5376906481 | 2017 | 111.50321353387 | 2016 | 112.6089090029 | 2015 | 111.1797505993 | 2014 | 108.37817065249 | 2013 | 108.17169784176 | 2012 | 106.23253472052 | 2011 | 103.56351472904 | 2010 | 100 | 2009 | 98.57466439706 | 2008 | 95.045065227754 | 2007 | 87.442122915133 | 2006 | 86.622952803311 | 2005 | 84.734245291726 | 2004 | 79.351864703999 | 2003 | 79.04117071269 | 2002 | 79.783154757273 | 2001 | 77.414414133608 | 2000 | 74.49453287678 | 1999 | 73.132365089854 | 1998 | 73.171302192124 | 1997 | 72.464527839431 | 1996 | 66.94131687606 | 1995 | 63.943944478625 | 1994 | 54.918852892507 | 1993 | 39.463754513211 | 1992 | 39.865149402659 | 1991 | 39.317152189488 | 1990 | 39.165549476428 | 1989 | 38.771882461409 | 1988 | 39.100089834208 | 1987 | 39.159185344546 | 1986 | 39.138047335079 | 1985 | 37.587699350407 | 1984 | 38.282298887302 | 1983 | 39.681726030187 | 1982 | 36.286916251701 | 1981 | 32.652769656346 | 1980 | 27.275078215599 | 1979 | 24.286209135048 | 1978 | 22.583576566044 | 1977 | 22.484023360168 | 1976 | 18.360747771554 | 1975 | 16.446280527031 | 1974 | 13.936085080218 | 1973 | 12.351188951041 | 1972 | 11.920234914236 | 1971 | 11.065265277674 | 1970 | 10.390695005426 | 1969 | 9.9450931570329 | 1968 | 9.3807669406804 | 1967 | 9.3530131922427 | 1966 | 9.5750431790968 |
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